<!--
 * @Author: daidai
 * @Date: 2022-03-01 11:17:39
 * @LastEditors: Please set LastEditors
 * @LastEditTime: 2022-09-29 15:50:18
 * @FilePath: \web-pc\src\pages\big-screen\view\indexs\center-map.vue
-->
<template>
  <div class="centermap">
    <!-- <div class="maptitle">
      <div class="zuo"></div>
      <span class="titletext">{{ maptitle }}</span>
      <div class="you"></div>
    </div>-->
    <div class="mapwrap">
      <!-- <div class="quanguo" @click="getData('china')" v-if="code !== 'china'">中国</div> -->
      <Echart id="CenterMap" :options="options" ref="CenterMap" />
    </div>
  </div>
</template>

<script>
import xzqCode from "../../utils/map/xzqCode";
import { currentGET } from "api/modules";
import * as echarts from "echarts";
import { GETNOBASE } from "api";
import { FALSE } from "sass";
export default {
  data() {
    return {
      maptitle: "设备分布图",
      options: {},
      code: "china", //china 代表中国 其他地市是行政编码
      echartBindClick: false,
      isSouthChinaSea: false, //是否要展示南海群岛  修改此值请刷新页面
      selectName: '',
    };
  },
  created() { },

  mounted() {
    // console.log(xzqCode);
    this.getData("430000");
  },
  methods: {
    getData(code) {
      currentGET("big8", { regionCode: code }).then(res => {
        if (res.success) {
          this.getGeojson(res.data.regionCode, res.data.dataList);
          this.mapclick();
        } else {
          this.$Message.warning(res.msg);
        }
      });
    },
    /**
     * @description: 获取geojson
     * @param {*} name china 表示中国 其他省份行政区编码
     * @param {*} mydata 接口返回列表数据
     * @return {*}
     */
    async getGeojson(name, mydata) {
      this.code = name;
      //如果要展示南海群岛并且展示的是中国的话
      let geoname = name;
      if (this.isSouthChinaSea && name == "china") {
        geoname = "chinaNanhai";
      }
      //如果有注册地图的话就不用再注册 了
      let mapjson = echarts.getMap(name);
      if (mapjson) {
        mapjson = mapjson.geoJSON;
      } else {
        mapjson = await GETNOBASE(`./map-geojson/${geoname}.json`).then(res => {
          return res;
        });
        echarts.registerMap(name, mapjson);
      }
      let cityCenter = {};
      let arr = mapjson.features;
      //根据geojson获取省份中心点
      arr.map(item => {
        cityCenter[item.properties.name] =
          item.properties.centroid || item.properties.center;
      });
      let newData = [];
      mydata.map(item => {
        if (cityCenter[item.name]) {
          newData.push({
            name: item.name,
            value: cityCenter[item.name].concat(item.value)
          });
        }
      });
      this.init(name, mydata, newData);
    },
    init(name, data, data2) {
      let top = 45;
      let zoom = 1.25;
      let option = {
        backgroundColor: "rgba(0,0,0,0)",
        tooltip: {
          show: false
        },
        legend: {
          show: false
        },
        geo: {
          map: name,
          roam: false,
          selectedMode: false, //是否允许选中多个区域
          zoom: zoom,
          top: top,
          // aspectScale: 0.78,
          // show: true,
          select: {
            itemStyle: {
              // color: this.clickcolor, // 设置地图点击后的颜色
              color: 'red', // 设置地图点击后的颜色
              areaColor: 'red'
            }
          },
          label: {
            normal: {
              show: false,
              color: '#999',
              fontSize: '12'
            },
            emphasis: {
              show: false,
              color: '#999',
              fontSize: '12'
            }
          },
          itemStyle: {
            normal: {
              // areaColor: 'red',
              areaColor: {
                type: "radial",
                x: 0.5,
                y: 0.5,
                r: 0.8,
                colorStops: [
                  {
                    offset: 0,
                    color: "rgba(147, 235, 248, 0)" // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: "rgba(147, 235, 248, .2)" // 100% 处的颜色
                  }
                ],
                globalCoord: false // 缺为 false
              },
              shadowColor: "rgba(128, 217, 248, .3)",
              borderColor: 'rgba(147, 235, 248, .2)'
              // borderColor: 'red'
            },
            emphasis: {
              areaColor: 'rgba(147, 235, 248, .2)' // 悬浮区背景
            }
          },
          regions: [
            { // 设置点击后高亮
              name: this.selectName, // 高亮的省份
              itemStyle: {
                areaColor: 'rgba(147, 235, 248, 0.8)' // 区域颜色
              }
            }
          ]
        },
        series: [
          {
            name: "MAP",
            type: "map",
            map: name,
            // aspectScale: 0.78,
            // data: data,
            // data: [1,100],
            selectedMode: false, //是否允许选中多个区域
            zoom: zoom,
            geoIndex: 1,
            top: top,
            tooltip: {
              show: true,
              formatter: function (params) {
                if (params.data) {
                  return params.name + "：" + params.data["value"];
                } else {
                  return params.name;
                }
              },
              backgroundColor: "rgba(0,0,0,.6)",
              borderColor: "rgba(147, 235, 248, .8)",
              textStyle: {
                color: "#FFF"
              }
            },
            label: {
              normal: {
                show: true,
                textStyle: {
                  color: "#fff"
                }
              },
              emphasis: {
                textStyle: {
                  color: "#fff"
                }
              }
            },
            emphasis: {
              label: {
                show: false
              },
              itemStyle: {
                areaColor: "#389BB7",
                borderWidth: 1
              }
            },
            itemStyle: {
              borderColor: "rgba(147, 235, 248, .8)",
              borderWidth: 1,
              areaColor: {
                type: "radial",
                x: 0.5,
                y: 0.5,
                r: 0.8,
                colorStops: [
                  {
                    offset: 0,
                    color: "rgba(147, 235, 248, 0)" // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: "rgba(147, 235, 248, .2)" // 100% 处的颜色
                  }
                ],
                globalCoord: false // 缺为 false
              },
              shadowColor: "rgba(128, 217, 248, .3)",
              shadowOffsetX: -2,
              shadowOffsetY: 2,
              shadowBlur: 10
            }
          },
          // {
          //   data: data2,
          //   type: "effectScatter",
          //   coordinateSystem: "geo",
          //   symbolSize: function (val) {
          //     return 4;
          //     // return val[2] / 50;
          //   },
          //   legendHoverLink: true,
          //   showEffectOn: "render",
          //   rippleEffect: {
          //     // period: 4,
          //     scale: 6,
          //     color: "rgba(255,255,255, 1)",
          //     brushType: "fill"
          //   },
          //   tooltip: {
          //     show: true,
          //     formatter: function (params) {
          //       if (params.data) {
          //         return params.name + "：" + params.data["value"][2];
          //       } else {
          //         return params.name;
          //       }
          //     },
          //     backgroundColor: "rgba(0,0,0,.6)",
          //     borderColor: "rgba(147, 235, 248, .8)",
          //     textStyle: {
          //       color: "#FFF"
          //     }
          //   },
          //   label: {
          //     formatter: param => {
          //       return param.name.slice(0, 2);
          //     },

          //     fontSize: 11,
          //     offset: [0, 2],
          //     position: "bottom",
          //     textBorderColor: "#fff",
          //     textShadowColor: "#000",
          //     textShadowBlur: 10,
          //     textBorderWidth: 0,
          //     color: "#FFF",
          //     show: true
          //   },
          //   // colorBy: "data",
          //   itemStyle: {
          //     color: "rgba(255,255,255,1)",
          //     borderColor: "rgba(255,255,255,2)",
          //     borderWidth: 4,
          //     shadowColor: "#000",
          //     shadowBlur: 10
          //   }
          // }
        ]
        //动画效果
        // animationDuration: 1000,
        // animationEasing: 'linear',
        // animationDurationUpdate: 1000
      };
      this.options = option;
      if (this.$route.query.name == '长沙市') {
        this.selectName = this.$route.query.name
        this.$emit('setSelectName', this.$route.query.name)
        this.getData("430000");
      }
    },
    message(text) {
      this.$Message({
        text: text,
        type: "warning"
      });
    },
    mapclick() {
      if (this.echartBindClick) return;
      //单击切换到级地图，当mapCode有值,说明可以切换到下级地图
      this.$refs.CenterMap.chart.on("click", params => {
        if (this.selectName == params.name) {
          this.selectName = ''
          this.$emit('setSelectName', '湖南省')
          this.getData("430000");
        } else {
          this.selectName = params.name
          this.$emit('setSelectName', params.name)
          this.getData("430000");
        }

        // 重新加载地图
        // let xzqData = xzqCode[params.name];
        // if (xzqData) {
        //   this.getData(xzqData.adcode);
        // } else {
        //   this.message("暂无下级地市!");
        // }
      });
      this.echartBindClick = true;
    }
  }
};
</script>
<style lang="scss" scoped>
.centermap {
  .maptitle {
    height: 60px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
    box-sizing: border-box;

    .titletext {
      font-size: 28px;
      font-weight: 900;
      letter-spacing: 6px;
      background: linear-gradient(92deg,
          #0072ff 0%,
          #00eaff 48.8525390625%,
          #01aaff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin: 0 10px;
    }

    .zuo,
    .you {
      background-size: 100% 100%;
      width: 29px;
      height: 20px;
      margin-top: 8px;
    }

    .zuo {
      background: url("../../assets/img/xiezuo.png") no-repeat;
    }

    .you {
      background: url("../../assets/img/xieyou.png") no-repeat;
    }
  }

  .mapwrap {
    height: 456px;
    width: 100%;
    // padding: 0 0 10px 0;
    box-sizing: border-box;
    position: relative;

    .quanguo {
      position: absolute;
      right: 20px;
      top: -46px;
      width: 80px;
      height: 28px;
      border: 1px solid #00eded;
      border-radius: 10px;
      color: #00f7f6;
      text-align: center;
      line-height: 26px;
      letter-spacing: 6px;
      cursor: pointer;
      box-shadow: 0 2px 4px rgba(0, 237, 237, 0.5),
        0 0 6px rgba(0, 237, 237, 0.4);
    }
  }
}
</style>
